6) A met allic wire. has cross section of 1x ro"m difference 2. and is The long is 2V, and potential across the wine it carries a Current of 4A. Cal culate the resistivity of the wire. (2.m) P = 5 x 10 m %3D -7 em 9)4 x 10 ) 7 x (U -7 - 7 e)2 x 10 フ りちいc0 L- h) 6x (0 eIm
6) A met allic wire. has cross section of 1x ro"m difference 2. and is The long is 2V, and potential across the wine it carries a Current of 4A. Cal culate the resistivity of the wire. (2.m) P = 5 x 10 m %3D -7 em 9)4 x 10 ) 7 x (U -7 - 7 e)2 x 10 フ りちいc0 L- h) 6x (0 eIm
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Transcribed Image Text:6) A
met allic
wire
has
cross
section
of 1a (0 m
difference
1m
The
long
is 2V, and
and is
potential
across
the
wine
it
carries
of
4A .
Cal culate the
a
Current
resistivity of the
(2. m)
wire
P = 5 x 10°m
-7em
9)4 x 10
) 7 x W
-7
9 x
e)2 x 10"
- 7
9) 8 x W
h) 6 x (0
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